Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
10/2005
10/27/2005US20050238093 Circuit and method for evaluating the performance of an adaptive decision feedback equalizer-based serializer deserializer and serdes incorporating the same
10/27/2005US20050238089 Communication apparatus and communication method using digital wavelet multi carrier transmission system
10/27/2005US20050238014 Receiver and method for receiving burst mode packet
10/27/2005US20050237991 Use of a first two-wire interface communication to support the construction of a second two-wire interface communication
10/27/2005US20050237971 Adaptive MIMO systems
10/27/2005US20050237954 Digital subscriber line transmission method, apparatus and system
10/27/2005US20050237921 Low peak to average ratio search algorithm
10/27/2005US20050237920 Iterative eigenvector computation for a MIMO communication system
10/27/2005US20050237082 Integrated circuit output driver circuitry with programmable preemphasis
10/27/2005DE202005011869U1 Circuit to convert ternary to binary data on basis of ternary and quaternary logic has binary full adder linked to many pnp logic or or dual gates
10/27/2005DE10348205B4 Verfahren zur Kanalschätzung bei Verwendung verschiedener Modulationsverfahren innerhalb eines Signalintervalls A method for channel estimation using various modulation methods within a signal interval
10/27/2005DE10319334B4 Verfahren und Vorrichtung zur korrelativen Schätzung eines Mobilfunkkanals Method and apparatus for estimating a wireless channel correlative
10/27/2005DE102005015079A1 Adaptive Entzerrungsvorrichtung und Verfahren Adaptive equalization apparatus and method
10/27/2005DE102004062010A1 Verfahren und Vorrichtung zur Codeerzeugung bei der Übertragung von Daten über ein Kommunikationssystem Method and apparatus for forming a code in the transmission of data via a communication system
10/27/2005DE102004058239A1 Bildwandler Image converter
10/27/2005DE102004016337A1 Receiver circuit for receiving signals from multiple transmitters and or senders has a receiving register with a programmable delay element that is controlled so that incoming signals match the register time rules
10/27/2005CA2694190A1 Calibration of transmit and receive chains in a mimo communication system
10/27/2005CA2562563A1 Method and apparatus for dc offset removal
10/27/2005CA2560785A1 Advanced digital receiver
10/27/2005CA2560737A1 Apparatus for and method of controlling the operation of an equalizer
10/27/2005CA2560736A1 Apparatus for and method of controlling a digital demodulator coupled to an equalizer
10/27/2005CA2560735A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005CA2560734A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005CA2560733A1 Apparatus for and method of controlling a feedforward filter of an equalizer
10/27/2005CA2560729A1 Apparatus for and method of developing equalized values from samples of a signal received from a channel
10/27/2005CA2560728A1 Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device
10/27/2005CA2560540A1 Apparatus for and method of controlling a sampling frequency of a sampling device
10/26/2005EP1589712A2 Apparatus and method for channel estimation in an orthogonal frequency division multiplexing cellular communication system using multiple transmit antennas
10/26/2005EP1589711A2 Sensor signalling circuit and measuring instrument using it
10/26/2005EP1589687A1 Method for sending a signal in a multi-antenna system, corresponding signal and method for channel estimation
10/26/2005EP1589685A1 Iterative chip equalization and multiuser detection for CDMA communications systems on MIMO channels
10/26/2005EP1589683A1 Multi-carrier communication system and reception device thereof
10/26/2005EP1589668A2 Signal reception device, signal transmission device, radio communication system, and signal reception method
10/26/2005EP1588500A1 Receiver system and method for reduced swing differential clock
10/26/2005EP1258091A4 METHOD AND APPARATUS FOR ACHIEVING 180o PHASE INVARIANT TRANSMISSION IN A PCM MODEM SYSTEM
10/26/2005EP1213846B9 Code division multiple access communication system
10/26/2005EP0979550A4 Maximum likelihood detection of mpsk bursts with inserted reference symbols
10/26/2005EP0684708B1 Adaptive equalizer
10/26/2005CN1689295A Broadband predistortion linearization method and system
10/26/2005CN1689294A Method and device for signal amplitude detection
10/26/2005CN1689293A Dynamic clip level detector
10/26/2005CN1689292A Communication receiver with virtual parallel equalizers
10/26/2005CN1689291A Method of and means for recognizing signal edges
10/26/2005CN1689266A Data processing apparatus that identifies a communication clock frequency
10/26/2005CN1689265A Optimum interpolator method and apparatus for digital timing adjustment
10/26/2005CN1689256A Multipath signal strength indicator
10/26/2005CN1688145A Training sequence transmission method for communication system
10/26/2005CN1688144A Receiver and method for ID SCDMA system
10/26/2005CN1688143A Method for channel estimation in multi-antenna system
10/25/2005US6959083 Loop current monitor circuitry and method for a communication system
10/25/2005US6959060 Jitter reducing apparatus using digital modulation technique
10/25/2005US6959058 Data recovery apparatus and method for minimizing errors due to clock skew
10/25/2005US6959052 Receiving apparatus, receiving method, program and information recording medium
10/25/2005US6959047 Training-based channel estimation for multiple-antennas
10/25/2005US6959038 High-speed decoder for a multi-pair gigabit transceiver
10/25/2005US6959037 System and method for locating and determining discontinuities and estimating loop loss in a communications medium using frequency domain correlation
10/25/2005US6959036 Method and apparatus for an X-DSL modem supporting multiple X-DSL line codes
10/25/2005US6959015 Method and apparatus for aligning multiple data streams and matching transmission rates of multiple data channels
10/25/2005US6958781 Mapping arrangement for digital communication system
10/20/2005WO2005099207A1 Network system
10/20/2005WO2005099204A1 Method and device for generating a code during transmission of data via a communication system
10/20/2005WO2005099203A1 Methods and apparatus for generating and processing wideband signals having reduced discrete power spectral density components
10/20/2005WO2005099202A2 Magnetically differential input
10/20/2005WO2005099130A1 Method and system for multi-user channel estimation in ds-cdma systems
10/20/2005WO2005099117A1 Hybrid rake/equalizer receiver for spread spectrum systems
10/20/2005WO2005099112A2 Sub-block domain transformation multiple signal processing
10/20/2005US20050235194 Parallel decision-feedback decoder and method for joint equalizing and decoding of incoming data stream
10/20/2005US20050233709 Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
10/20/2005US20050233701 Systems and methods for adjusting an output driver
10/20/2005US20050232383 Timing recovery of PAM signals using baud rate interpolation
10/20/2005US20050232379 Apparatus and method for channel estimation
10/20/2005US20050232378 Apparatus and method for echo indicator generation
10/20/2005US20050232377 Channel estimation in a radio receiver
10/20/2005US20050232372 Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications
10/20/2005US20050232371 Method and apparatus for data transfer using wideband bursts
10/20/2005US20050232366 Data oversampling via clock and data interpolation
10/20/2005US20050232348 Apparatus and method for error propagation reduction in a decision feedback equalizer
10/20/2005US20050232347 Apparatus and method for noise enhancement reduction in an adaptive equalizer
10/20/2005US20050232342 Additional hierarchical preamble for support of FDMA channel in a multi-band OFDM system
10/20/2005US20050232336 Versatile system for signal shaping in ultra-wideband communications
10/20/2005US20050232171 Digital subscriber line transmission method, apparatus and system
10/20/2005US20050232156 Channel state information feedback method for multi-carrier communication system
10/20/2005US20050232133 Method of receiving and processing a multi-carrier signal and multi-carrier reception device employing the method
10/20/2005US20050232132 Parallel pulse code modulation system and method
10/20/2005US20050231843 Write driver with power optimization and interconnect impedance matching
10/20/2005US20050231261 Wide common mode high-speed differential receiver using thin and thick gate oxide MOSFETS in deep-submicron technology
10/20/2005US20050231232 Asynchronous coupling and decoupling of chips
10/20/2005US20050231231 Shunted current reduction
10/20/2005US20050231230 On-die termination control circuit and method of generating on-die termination control signal
10/20/2005US20050231173 Semiconductor apparatus for charging capacitors
10/20/2005DE10393029T5 Abschätzung der Trägerfrequenzverschiebung in einem drahtlosen Kommunikationssystem Estimating carrier frequency offset in a wireless communication system
10/19/2005EP1587265A1 Detection of error propagation for decision feedback equalisation
10/19/2005EP1587264A2 Channel estimation for MIMO transmission
10/19/2005EP1587234A1 Adaptive viterbi detector
10/19/2005EP1587215A1 Image data transmission circuit and image data display system
10/19/2005EP1587067A2 Write driver with power optimization and interconnect impedance matching
10/19/2005EP1303957B1 Digital interface with low power consumption
10/19/2005EP1232623B1 A hierarchical qam transmission system with varying grouping factor
10/19/2005EP1156593B1 Code division multiple access (CDMA) communication system
10/19/2005EP1112647B1 Channel estimates in a cdma system using power control bits
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